<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        ul {
            list-style: none;
        }
        
        .float_base {
            margin: 50px auto;
            width: 1226px;
            height: 628px;
            background-color: pink;
        }
        
        .float_base div {
            float: left;
            background-color: #8BCDEA;
            width: 234px;
            height: 614px;
        }
        
        .float_base ul {
            float: left;
            background-color: brown;
            width: 992px;
            height: 628px;
        }
        
        .float_base li {
            margin-left: 14px;
            margin-bottom: 14px;
            float: left;
            background-color: #FFA502;
            width: 234px;
            height: 300px;
        }
    </style>
</head>

<body>
    <div class="float_base">
        <div></div>
        <ul>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</body>

</html>